The water heating control valve is composed of a valve casing, a valve outer cover, an inner cover, a pressure spring, a valve core, a positioning device and a sealing ring.
水暖控制阀由阀壳、阀外盖、内盖、压簧、阀芯、定位装置及密封圈构成。
The utility model relates to a quick-cooling heat preservation cup, which comprises an inner cup body, an outer cup casing and a cup cover.
本实用新型公开了一种速冷保温杯，它包括内杯体，外杯壳，杯盖。
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